import matplotlib.pyplot as plt 

x_values = list(range(1, 1001))
y_values = [x**2 for x in x_values]

plt.scatter(x_values, y_values, c=y_values, cmap=plt.cm.Blues, edgecolor='none', s=40)

# 设置图表标题并给坐标轴加上标签
plt.title("Square Nubers", fontsize=24)
plt.xlabel("Value", fontsize=24)
plt.ylabel("Square of Value", fontsize=24)

# 设置刻度标记的大小
# plt.tick_params(axis='both', which='major', labelsize=14)
plt.axis([0, 1100, 0, 1100000])

plt.show()
# plt.savefig('squares_plot.png', bbox_inches='tight')